"Rebound," copyright © 1961 by Fredric Brown for Nightmares and Geezenstacks.
"Star Mouse," copyright © 1942 by Love Romances Publishing Company, Inc., for Planet Stories, February 1942.
"Abominable," copyright © 196o by Mystery Publishing Company, Inc., for Dude, March 1960.
"Letter to a Phoenix," copyright © 1949 by Street & Smith Publications, Inc., for Astounding Science Fiction, August 1949.
"Not Yet the End," copyright © 1941 by Standard Publishing Company for Captain Future, winter 1941.
"Etaoin Shrdlu," copyright © 1942 by Street & Smith Publications, Inc., for Unknown Worlds, February 1942.
"Armageddon," copyright © 1941 by Street & Smith Publications, Inc., for Unknown, August 1941.
"Experiment" (in "Two Timer") copyright © 1954 by Galaxy Publishing Corporation for GALAXY Science Fiction, February 1954.
"The Short Happy Lives of Eustace Weaver" (I, II, and III), © 196r by Davis Publications, Inc., first published in Ellery Queen's Mystery Magazine under the title "Of Time and Eustace Weaver."
"Reconciliation," copyright © 1954 by Fredric Brown for Angels and Spaceships. "Nothing Sirius," copyright © 1944 by Standard Publishing Company for Captain Future, spring 1944.
"Pattern," copyright © 1954 by Fredric Brown for Angels and Spaceships. "The Yehudi Principle," copyright © 1944 by Street & Smith Publications, Inc., for Astounding Science Fiction, May 1944.
"Come and Go Mad," copyright © 1949 by Weird Tales for Weird Tales, July 1949
"The End," copyright © 1961 by Fredric Brown for Nightmares and Geezenstacks.